CN210770833U

CN210770833U - Quick-opening type main transformer oil drain valve elbow

Info

Publication number: CN210770833U
Application number: CN201921206242.0U
Authority: CN
Inventors: 武鹏; 钟明伟; 吴楠
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-29
Filing date: 2019-07-29
Publication date: 2020-06-16
Anticipated expiration: 2029-07-29

Abstract

The utility model discloses a quick-open type owner becomes fuel outlet valve elbow, including the elbow body, the elbow body have with the fuel outlet valve can dismantle the link of being connected and with the sealed end of cover connection, in the sealed end is tightened with the outside border of apron junction has the clamp, in the clamp inner wall is formed with the draw-in groove, the clamp have form in the portion of tightening of elasticity in the draw-in groove, the sealed end stretches into with the border of apron in the draw-in groove and warp the portion chucking is tightened to elasticity. The utility model has the advantages of joint strength is high, and the indentation is effectual, tightens up evenly, uses repeatedly, and the installation is dismantled conveniently, can receive the atress in the oil impregnate pressure of main transformer, dustproof antidrip. The utility model is suitable for a quick-open main change fuel outlet valve additional equipment field.

Description

Quick-opening type main transformer oil drain valve elbow

Technical Field

The utility model belongs to quick-open main change fuel drain valve auxiliary assembly field, specifically speaking relates to a quick-open main change fuel drain valve elbow.

Background

The existing common main transformer oil drain valve elbow is not in a quick-opening form, basically mainly uses a bolt to fix a metal baffle, cannot realize an emergency opening mode of an accident, is low in practicability and reliability, needs to unscrew 6-8 sets of bolts when being opened, is low in speed, and cannot reach the emergency oil drain condition.

SUMMERY OF THE UTILITY MODEL

The utility model has the advantages of joint strength is high, and the indentation is effectual, tightens up evenly, uses repeatedly, and the installation is dismantled conveniently, can receive the atress in the oil impregnate pressure of main transformer, dustproof antidrip, the utility model is suitable for a quick-open main change fuel outlet valve additional equipment field.

In order to achieve the above object, the utility model adopts the following technical scheme:

the utility model provides a quick-open main change fuel outlet valve elbow, includes the elbow body, the elbow body have with the fuel outlet valve can dismantle the link of being connected and with the sealed end of cover connection, the outside border of sealed end and apron junction is tightened has the clamp, in the clamp inner wall is formed with the draw-in groove, the clamp have be formed with the portion of tightening of elasticity in the draw-in groove, the sealed end stretches into with the border of apron in the draw-in groove and warp the portion chucking is tightened to elasticity.

Furthermore, the elastic tightening part comprises two clamping edges which are formed on the hoop and are elastic, the two clamping edges are respectively bent into the clamping groove from two sides of the clamping groove, and a clamping opening for the outer edge of the joint of the sealing end and the cover plate to stretch into is formed between the two clamping edges.

Furthermore, the included angle formed by the extension and intersection of the axial sections of the two clamping sides is α, and the included angle is more than 0 degree and less than α and less than or equal to 90 degrees.

Further, a flange is formed radially outwardly of the end of the sealing end.

Furthermore, the included angle formed between the edge of the end face of one end of the cover plate far away from the flange and the horizontal plane is gamma, and gamma is more than 0 degree and less than or equal to 30 degrees.

Furthermore, the included angle formed by the end face of one end of the flange far away from the cover plate and the horizontal plane is β, and the included angle is more than 0 degree and less than or equal to β and less than or equal to 30 degrees.

Furthermore, an annular rubber pad is arranged between the flange and the cover plate.

Furthermore, annular protrusions are respectively formed on the surfaces of the flange and the cover plate, which are abutted against the rubber mat, and grooves matched with the annular protrusions are respectively formed on the upper end surface and the lower end surface of the rubber mat.

Further, the clamp includes first clamp body, second clamp body and round pin axle, first clamp body one end has through round pin axle swing joint the second clamp body, first clamp body other end fixedly connected with first mounting plate, second clamp body one end fixedly connected with second mounting plate, a mounting plate fixedly connected with threaded rod, the cooperation is connected with the thread bush that is used for chucking second mounting plate on the threaded rod.

Furthermore, the connecting end is fixedly connected with a flange which is connected with the oil drain valve.

The utility model discloses owing to adopted foretell structure, it compares with prior art, and the technical progress who gains lies in:

the utility model discloses an elbow body, the elbow body have with the fuel outlet valve can dismantle the link of being connected and with the sealed end of cover connection, in sealed end is tightened with the outer border of apron junction has the clamp, in the clamp inner wall is formed with the draw-in groove, the clamp have form in the portion of tightening of elasticity in the draw-in groove, sealed end stretches into with the border of apron in the draw-in groove and warp the portion chucking is tightened to elasticity, the utility model discloses can carry out the tight regulation to the bore of hoop, be difficult to the fracture during locking and be difficult for the slippage, have that joint strength is high, and it is effectual to indent, tighten up evenly, uses repeatedly, and the installation is dismantled conveniently, can bear the advantage such as the oil seepage pressure of main transformer, dustproof antidrip.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of portion A of FIG. 1 with angular indicia;

FIG. 4 is a schematic view of the clamp structure of the present invention;

fig. 5 is a bottom view of the present invention;

fig. 6 is a right side view of the present invention.

Labeling components: 1-elbow body, 2-connection end, 3-sealing end, 4-cover plate, 5-clamp, 51-first clamp body, 52-second clamp body, 53-pin shaft, 54-first fastening plate, 55-second fastening plate, 56-threaded rod, 57-threaded sleeve, 6-clamping groove, 7-elastic tightening part, 71-clamping edge, 8-flange, 9-rubber pad, 10-annular bulge, 11-groove, 12-flange.

Detailed Description

The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for purposes of illustration and explanation only and are not intended to limit the invention.

Embodiment quick-opening type main transformer oil drain valve elbow

The embodiment discloses a quick-opening main transformer oil drain valve elbow, which comprises an elbow body 1, as shown in figures 1-6, the elbow body 1 is provided with a connecting end 2 detachably connected with an oil drain valve and a sealing end 3 connected with a cover plate 4, the outer edge of the connecting part of the sealing end 3 and the cover plate 4 is tightly bound with a clamp 5, a clamping groove 6 is formed on the inner wall of the hoop 5, the hoop 5 is provided with an elastic tightening part 7 formed in the clamping groove 6, the edges of the sealing end 3 and the cover plate 4 extend into the clamping groove 6 and are tightly clamped by the elastic tightening part 7, when the hoop 5 is locked, the sealing end 3 and the edge of the cover plate 4 extend into the clamping groove 6 of the hoop 5 and are tightly clamped by the elastic tightening part 7 in the clamping groove, so that the sealing end can be stressed by the oil leakage pressure of the main transformer and is dustproof and drip-proof, can open fast under the emergency situation, clamp 5 is difficult to fracture and difficult slippage and reliable and stable.

The elastic tightening part 7 comprises two elastic clamping edges 71 formed on the clamp, the two clamping edges 71 are respectively bent into the clamp groove 6 from two sides of the clamp groove 6, a clamping opening for the outer edge of the joint of the sealing end 3 and the cover plate 4 to extend is formed between the two clamping edges 71, the included angle formed by the extension and intersection of the axial sections of the two clamping edges 71 is α, 0 degree is larger than α and smaller than or equal to 90 degrees, a flange 8 is formed at the end part of the sealing end 3 along the radial direction outwards, the included angle formed by the edge of the end surface of one end of the cover plate 4 far away from the flange 8 and the horizontal plane is gamma, 0 degree is larger than gamma and smaller than or equal to 30 degrees, the included angle formed by the end surface of one end of the flange 8 far away from the cover plate 4 and the horizontal plane is β, 0 degree is smaller than β and smaller than or equal to 30 degrees, the clamping edges 71 are elastic, and the flange 8 and the cover plate 4 have certain inclination angle, so that the caliber of the clamp 5 can be adjusted in.

Be equipped with between flange 8 and apron 4 and be annular cushion 9, be formed with annular arch 10 respectively on flange 8 and apron 4 and cushion 9 looks butt surface, it has the recess 11 with annular arch 10 looks adaptation to open respectively on cushion 9, lower terminal surface, because the butt has cushion 9, and in annular arch 10 card goes into recess 11, recess 11 on the cushion 9, can crisscross the setting, consequently make cushion 9 more reliable and stable, be difficult for droing.

Clamp 5 includes first clamp body 51, second clamp body 52 and round pin axle 53, first clamp body 51 one end has second clamp body 52 through round pin axle 53 swing joint, first clamp body 51 other end fixedly connected with first mounting plate 54, second clamp body 52 one end fixedly connected with second mounting plate 55, first mounting plate 54 fixedly connected with threaded rod 56, the cooperation is connected with the thread bush 57 that is used in chucking second mounting plate 55 on the threaded rod 56, through first clamp body 51 of lock and second clamp body 52, and go into second mounting plate 55 to threaded rod 56 card, then rotate thread bush 57, thread bush 57 contacts and the chucking second mounting plate 55 with second mounting plate 55.

The connecting end 2 is fixedly connected with a flange 12 which is connected with the oil drain valve, and the elbow and the oil drain valve are easier to disassemble and assemble by using the flange 12 to connect the oil drain valve.

The utility model discloses working process and principle:

firstly, the connecting end 2 is connected with the oil drain valve in a flange 12 connection mode, secondly, a rubber gasket 9 for sealing is arranged between the flange 31 and the cover plate 4, the flange 8 on the sealing end 3 and the cover plate 4 are clamped by hands, and the clamping is carried out by using a clamp 5, wherein the flange 8 and the cover plate 4 are inserted into a clamping opening formed by a corresponding elastic clamping edge 71 on the inner side of the clamp 5, and when the oil drain valve drains oil, the clamp 5 needs to be opened, the cover plate 4 is moved, and oil drain is carried out.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the protection of the claims of the present invention.

Claims

1. The utility model provides a quick-open main change fuel outlet valve elbow which characterized in that: including elbow body (1), elbow body (1) have with the fuel outlet valve can dismantle link (2) of being connected and sealed end (3) of being connected with apron (4), in sealed end (3) are tightened with the outside border of apron (4) department of being connected and are had clamp (5), in clamp (5) inner wall is formed with draw-in groove (6), clamp (5) have be formed with in portion (7) are tightened to elasticity in draw-in groove (6), sealed end (3) stretch into with the border of apron (4) in draw-in groove (6) and warp portion (7) chucking is tightened to elasticity.

2. The quick-opening main transformer oil drain valve elbow according to claim 1, characterized in that: portion (7) are tightened to elasticity including being formed in two on the clamp have elastic centre gripping limit (71), two centre gripping limit (71) by respectively in draw-in groove (6) are buckled into to the both sides of draw-in groove (6), and form the confession between two centre gripping limit (71) the outside border of sealed end (3) and apron (4) junction stretches into the centre gripping mouth.

3. The quick-opening main transformer oil drain valve elbow as claimed in claim 2, wherein the included angle formed by the extension and intersection of the axial sections of the two clamping edges (71) is α, and the included angle is more than 0 degree and less than α and less than or equal to 90 degrees.

4. The quick-opening main transformer oil drain valve elbow according to claim 1, characterized in that: a flange (8) is formed radially outwardly of the end of the seal end (3).

5. The quick-opening main transformer oil drain valve elbow according to claim 4, characterized in that: the included angle formed between the edge of the end face of one end of the cover plate (4) far away from the flange (8) and the horizontal plane is gamma, and gamma is more than 0 degree and less than or equal to 30 degrees.

6. The quick-opening main transformer oil drain valve elbow according to claim 4, characterized in that the end face of the flange (8) far away from the cover plate (4) forms an included angle of β with the horizontal plane, 0 degrees < β degrees < 30 degrees.

7. The quick-opening main transformer oil drain valve elbow according to claim 4, characterized in that: an annular rubber pad (9) is arranged between the flange (8) and the cover plate (4).

8. The quick-opening main transformer oil drain valve elbow according to claim 7, characterized in that: and annular bulges (10) are respectively formed on the surfaces of the flange (8) and the cover plate (4) which are abutted against the rubber mat (9), and grooves (11) matched with the annular bulges (10) are respectively formed on the upper end surface and the lower end surface of the rubber mat (9).

9. The quick-opening main transformer bleed valve elbow as defined in any one of claims 1-8, wherein: clamp (5) are including first clamp body (51), second clamp body (52) and round pin axle (53), first clamp body (51) one end has through round pin axle (53) swing joint second clamp body (52), first clamp body (51) other end fixedly connected with first mounting plate (54), second clamp body (52) one end fixedly connected with second mounting plate (55), first mounting plate (54) a fixedly connected with threaded rod (56), the cooperation is connected with thread bush (57) that are used for chucking second mounting plate (55) on the threaded rod.

10. The quick-opening main transformer bleed valve elbow as defined in any one of claims 1-8, wherein: the connecting end (2) is fixedly connected with a flange (12) which is connected with the oil drain valve.